This circuit is from a 1976 Motorola CMOS manual. It can be implemented with modern Darlingtons like those in the Texas TIP series. The load current depends only on the Darlington transistor.
This circuit for analog video signals was found in the August 1970 issue of Radio Electronics...
This circuit was found in a 1991 PE Hobbyst Handbook. The components are still common and each...
This is a slightly different configuration of full-wave power control than we found in an old...